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请问最优子集回归程序里面都要改哪些变量啊。我的因子有15个,一共54年数据,其中4年用来预测,我应该怎么修改去用程序呢?n,nn,ip各应该是多少?
c this is a program for calculating all possible subset regressions
c and selecting a optimal regression by couple score criterion
program osr
parameter (n=50,nn=4,n1=n+nn)
parameter (ip=14,iip=ip+1)
c **********************************************************
c * n: sample size; *
c * nn: forecasting step number; *
c * ip: predictor number; *
c * xy: array of predictors and predictand *
c **********************************************************
dimension x1(n1),x(n1)
common/aa/ex(30,30)
common/bb/coe(30,30)
common/cc/xy(100,30)
common/dd/a(30,30)
open(2,file=' ' ,status='old')
read(2,*) ((xy(i,j),i=1,n1),j=1,ip)
read(2,*) (xy(i,iip),i=1,n)
close(2)
open(4,file= ' ' ,status='new')
write(4,1)
1 format(20x,'******OPTIMAL SUBSET REGRESSION******'/)
call sreg(x,x1,n,n1,ip,iip)
w=0.0
do 2 i=1,n
2 w=w+(x(i)-x1(i))*(x(i)-x1(i))
v=sqrt(w/n)
write(4,3)v
3 format(/20x,'THE FINAL RESULT OF FITTING AND FORECAST'/
& (5x,'RMSE=',F15.2))
write(4,4)
4 format(6x,'NO.',6x,'REG.',6X,'OBS.')
do 5 i=1,n1
write(4,6)i,x1(i),x(i)
6 format(5x,i5,f10.2,f10.2)
5 continue
stop
end
C------------------------------------END--------------------------------------
数据如下:
145.141 129.149 139.691 135.841 138.256 144.270 153.183 138.790 126.827 144.205
142.198 136.652 133.028 132.915 136.238 156.167 124.063 163.581 159.460 157.769
119.615 123.198 172.549 125.433 145.005 156.127 173.551 158.686 138.491 136.976
138.172 164.701 159.409 171.185 147.891 150.412 157.834 129.385 143.262 144.372
118.150 150.587 137.935 146.142 144.729 151.477 158.385 149.471 149.151 146.577
132.571 153.984 151.319 155.348
118.094 107.336 114.885 118.798 117.939 115.742 107.373 125.505 114.759 125.052
115.352 117.968 125.824 122.708 120.868 119.296 121.147 129.299 130.997 130.508
119.785 134.947 129.207 128.807 114.050 124.219 132.980 134.471 128.729 130.545
128.730 128.154 134.123 128.575 134.968 134.952 126.003 129.385 123.466 124.858
114.907 132.991 125.532 129.362 122.047 120.759 123.972 114.292 119.647 119.129
101.129 116.727 111.509 118.303
143.471 172.836 126.557 94.742 155.469 148.404 198.879 130.765 132.889 146.304
111.809 123.903 95.433 103.282 163.277 96.396 180.058 116.041 99.991 91.359
171.568 79.615 97.516 108.760 113.353 176.919 125.925 115.968 85.351 128.506
104.848 99.140 86.181 151.777 134.817 104.188 128.537 106.470 111.349 146.102
177.490 145.237 139.789 57.748 167.401 202.635 86.238 114.302 114.593 183.517
171.403 144.350 172.773 137.064
123.911 108.881 120.305 115.212 124.924 127.808 125.153 117.197 106.823 125.478
119.018 124.408 123.262 112.798 125.051 128.536 123.164 133.889 131.954 124.030
135.518 133.835 142.851 119.878 128.634 129.113 141.152 124.403 116.140 126.236
127.219 147.249 133.641 122.328 136.414 123.304 128.465 128.137 113.085 118.602
109.634 128.441 136.613 125.206 122.685 121.164 136.815 117.448 132.176 131.258
116.676 117.442 125.698 134.751
187.532 179.260 110.413 171.855 151.179 147.334 185.264 196.508 135.986 133.731
164.898 155.859 197.550 203.223 196.797 177.995 150.936 180.247 119.702 151.415
209.930 175.767 237.866 212.911 142.384 211.770 155.124 186.183 216.592 210.713
195.675 183.740 220.632 193.905 222.869 110.112 143.661 170.177 176.089 184.211
184.234 201.868 197.426 177.713 207.434 168.423 208.379 204.617 174.418 153.695
152.401 208.099 202.347 169.077
178.581 154.109 165.315 160.532 147.686 152.903 162.047 138.196 149.025 149.965
169.545 155.103 151.449 166.409 164.836 162.762 169.878 144.512 166.008 137.947
149.799 150.691 147.752 160.186 161.137 147.643 142.878 150.608 168.095 162.545
147.965 135.755 137.545 150.080 136.768 146.663 167.928 163.920 181.676 172.085
160.506 168.975 135.178 163.928 142.569 153.636 170.995 172.706 160.876 148.736
170.135 169.300 170.612 149.764
24.974 25.051 25.010 25.466 24.921 24.654 24.843 25.201 25.133 24.745
24.979 24.789 24.501 25.084 25.009 24.836 24.675 24.609 24.557 24.702
24.835 24.773 24.537 24.976 24.735 24.741 24.409 24.827 25.096 24.791
25.108 24.798 24.360 24.416 24.983 25.090 24.431 24.777 25.419 25.525
25.379 25.455 25.039 25.121 25.077 25.454 25.018 25.437 25.368 25.131
25.429 25.480 25.044 25.211
9.202 9.750 9.474 9.191 9.493 9.735 9.611 9.813 9.173 9.520
9.938 9.249 9.779 9.293 9.694 9.049 9.211 9.033 9.990 9.735
9.305 9.889 9.650 9.715 9.658 10.364 10.754 9.755 9.446 10.379
10.024 10.651 10.005 10.857 9.889 9.945 10.150 10.181 9.976 9.288
9.968 9.472 10.464 10.262 10.208 10.040 10.193 9.599 9.662 9.535
9.321 9.620 9.451 10.884
23.477 23.631 23.592 23.712 23.132 23.294 23.346 23.356 23.324 23.264
23.472 23.452 23.261 23.505 23.643 23.436 23.378 23.198 23.284 23.140
23.441 23.369 23.157 23.287 23.246 23.229 23.349 23.592 23.669 23.271
23.491 23.289 23.023 23.241 23.741 23.447 23.217 23.686 24.375 24.118
24.138 23.991 23.762 23.812 23.756 23.626 23.869 24.106 23.846 23.801
24.067 24.061 23.692 23.550
26.980 26.424 26.258 26.770 26.323 26.407 27.140 26.687 27.432 26.995
26.282 25.997 26.193 26.158 26.224 26.092 26.146 26.800 26.586 26.923
26.800 26.821 26.487 26.752 26.278 26.771 26.723 26.881 26.649 26.803
27.268 26.614 26.814 26.788 26.477 27.180 26.725 26.460 26.113 25.976
26.282 26.497 26.597 26.945 26.742 26.691 26.740 26.437 26.372 27.032
26.417 26.218 26.573 26.798
4.088 4.673 4.586 4.978 4.662 4.388 4.897 4.536 4.820 4.527
5.126 4.924 4.353 4.968 4.509 4.597 4.268 4.605 4.510 4.712
4.475 4.823 4.727 4.884 5.036 4.858 4.929 4.380 4.960 4.852
5.810 4.873 4.472 4.929 5.413 5.720 5.629 5.080 4.740 4.408
4.439 4.690 4.710 4.802 4.600 5.553 5.265 4.468 4.962 4.670
5.305 5.012 5.331 5.601
24.206 24.073 23.954 24.093 23.371 23.713 24.037 23.798 23.668 23.858
23.916 23.502 23.569 23.773 24.063 23.830 23.672 23.451 23.672 23.154
23.666 23.774 23.187 23.740 23.612 23.787 23.829 24.080 24.546 23.935
23.734 23.697 23.288 23.475 23.969 23.841 23.505 23.831 24.448 24.411
24.561 24.253 24.113 24.232 23.778 24.384 24.188 24.571 24.031 24.004
24.327 24.352 24.150 23.887
22.304 22.235 21.785 22.190 21.847 22.014 22.309 21.778 22.169 21.918
21.990 21.881 21.947 22.093 22.037 21.872 21.857 21.743 22.025 21.402
21.664 21.735 21.510 21.926 21.663 21.744 21.738 22.267 22.373 22.169
21.688 21.875 21.666 21.913 21.922 21.771 21.993 22.006 22.858 22.689
22.739 22.554 22.111 22.359 22.119 22.327 22.337 22.666 22.252 22.039
22.297 22.475 22.349 22.082
26.037 25.912 26.521 26.142 25.942 26.473 26.046 26.619 27.044 26.404
25.545 26.065 26.338 25.657 25.634 25.477 26.033 26.373 26.041 26.979
26.317 26.606 26.319 26.222 26.096 26.704 26.662 26.653 25.549 26.693
26.974 26.581 26.981 26.994 26.753 26.533 26.537 26.486 25.512 25.604
25.900 26.425 26.756 26.405 26.719 25.963 26.165 25.400 25.997 26.612
25.795 25.717 25.952 26.259
12.159 12.527 13.031 12.285 12.147 11.518 12.019 12.164 11.427 12.084
11.724 11.678 12.107 11.706 11.750 12.023 12.685 12.195 12.039 12.406
12.410 11.983 12.004 12.388 12.290 12.453 12.224 11.734 11.776 12.026
12.550 12.555 12.365 12.543 12.228 12.817 12.789 12.154 11.547 11.668
11.675 11.512 12.402 12.065 12.795 12.231 11.752 11.559 12.106 12.042
11.757 12.086 11.614 13.163
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